* {
	margin: 0;
	padding: 0;
}

.container {
	padding: 0 300px  0 200px;
}

.middle {
	float: left;
	width: 100%;
	height: 200px;
	background-color: Aquamarine;
}

.left {
	float: left;
	width: 200px;
	height: 200px;
	background-color: Coral;
	margin-left: -100%;
	position: relative;
	left: -200px;
}

.right {
	float: left;
	width: 300px;
	height: 400px;
	background-color: Moccasin;
	margin-left: -300px;
	position: relative;
	right: -300px;
}